一.问题 使用下列方法调用OpenCV编程调用树莓派摄像头时总是失败,提示调用Grabber的start()时失败. import org.bytedeco.javacpp.opencv_core; import org.bytedeco.javacv.*; public class Main { public static void main(String[] args) throws InterruptedException, FrameGrabber.Exception { FrameGr
方法一: echo "open 21.244.88.129 user glxtftp glbzuser bin prompt off cd /glxt/DBINFO lcd /tmp put $dblog bye" |ftp -n >/dev/null 2>&1 方法二: ftp -ivn <<KATE open $1 user $2 $3 cd $4 binary lcd $5 passiv put $6 bye KATE